Dell Latitude 5420 Bios Password 8FC8

[CornholioGSM]

hello hello

i have one for onlock.
Latitude 5420, 8FC8, ST: 301H1F3, mobo: LA-K491P

[SMDFlea]

https://www.badcaps.net/forum/troubl...23#post1622423

[b4rdock]

here file unlocked

[Alatar3791]

Hello

A while back I requested an unlock for my bios but I flashed the unlocked file the laptop showed no signs of life other than an orange light that would stay on so long as the power button was pressed, other than that no signs of life. If I flashed the locked bios back then the laptop would boot but still be locked obviously. I was told that the unlock file was correct and to check my soldering, which I did and the soldering was fine as I was able to rewrite the original bios back fine and read it again. I have tried every guide on here to the best of my ability with no results, even going so far as ordering a new blank chip in case I had somehow damaged the old one and its the same issue.

Would someone please be willing to take a second look at the dumps and see if there is something keeping the unlocked file from powering on the laptop, or point me in the right direction to fix it myself?

Thank you

Model: Dell Latitude 5420
Service Tag: JSYN5J3-8FC8
Chip: XMC25RH256CXIQ
Board: GDF40 LA-K491P Rev: 2.0 (A01)

[peste]

Hello

A while back I requested an unlock for my bios but I flashed the unlocked file the laptop showed no signs of life other than an orange light that would stay on so long as the power button was pressed, other than that no signs of life. If I flashed the locked bios back then the laptop would boot but still be locked obviously. I was told that the unlock file was correct and to check my soldering, which I did and the soldering was fine as I was able to rewrite the original bios back fine and read it again. I have tried every guide on here to the best of my ability with no results, even going so far as ordering a new blank chip in case I had somehow damaged the old one and its the same issue.

Would someone please be willing to take a second look at the dumps and see if there is something keeping the unlocked file from powering on the laptop, or point me in the right direction to fix it myself?

Thank you

Model: Dell Latitude 5420
Service Tag: JSYN5J3-8FC8
Chip: XMC25RH256CXIQ
Board: GDF40 LA-K491P Rev: 2.0 (A01)

it seems ok...maybe you wrote it with errors...try again...

[Alatar3791]

it seems ok...maybe you wrote it with errors...try again...

I have tried several times, even re-reading the chip after flashing to compare checksums of the unlocked file and what was just flashed and they match. If I flash the locked file it will power on to the password screen so I know that the chip is being written properly but something about the unlocked file keeps it from powering on. Is there a chance something else was corrupted on the EC chip when reflashed?Any other suggestions of things I can troubleshoot?

[trunguntilyou]

Hello

A while back I requested an unlock for my bios but I flashed the unlocked file the laptop showed no signs of life other than an orange light that would stay on so long as the power button was pressed, other than that no signs of life. If I flashed the locked bios back then the laptop would boot but still be locked obviously. I was told that the unlock file was correct and to check my soldering, which I did and the soldering was fine as I was able to rewrite the original bios back fine and read it again. I have tried every guide on here to the best of my ability with no results, even going so far as ordering a new blank chip in case I had somehow damaged the old one and its the same issue.

Would someone please be willing to take a second look at the dumps and see if there is something keeping the unlocked file from powering on the laptop, or point me in the right direction to fix it myself?

Thank you

Model: Dell Latitude 5420
Service Tag: JSYN5J3-8FC8
Chip: XMC25RH256CXIQ
Board: GDF40 LA-K491P Rev: 2.0 (A01)

only use original ROM ,,, small opinion

[Sagir Annani]

hello can anyone pls help me to modify this .hdr file to 32mb i extrat it from .exe and the size is not 32mb...i didt have the backup bin
here is the .hdr file

[LBTT1121]

hello can anyone pls help me to modify this .hdr file to 32mb i extrat it from .exe and the size is not 32mb...i didt have the backup bin
here is the .hdr file

Post Model , Service Tag , Board....

[Sagir Annani]

Post Model , Service Tag , Board....

here its ...thank you
model :lattitude 5420
savices tag : 75606g3
board : gdf40 la-k491p rev : 3.0 (a02)

[kingstonalumni]

Please unclock bios pass
GDF40 LA-K491P REV 3.0(A02)
Stg: 4LMK5M3

[trunguntilyou]

Please unclock bios pass
GDF40 LA-K491P REV 3.0(A02)
Stg: 4LMK5M3

Try

[GlobalSerwis]

I'd appreciate your help in removing the BIOS password. Thanks in advance!

Dell Latitude 5420
ST : B1HK7M3
Mobo : LA-K491P rev : 3.0

[peste]

I'd appreciate your help in removing the BIOS password. Thanks in advance!

Dell Latitude 5420
ST : B1HK7M3
Mobo : LA-K491P rev : 3.0

try..

[GlobalSerwis]

try..

Thank you very much for your help, the bios works great, no password. 😊

[lewistaylor2121]

would someone be able to help me unlock my bios for latitude 5420

[peste]

would someone be able to help me unlock my bios for latitude 5420

post S/T, full name and model, motherboard model, etc.

post the original contents of the bios chip..

[overclock16]

Hello. Please help me with a BIOS password for Dell Latitude 5420 BIOS Password 8FC8.
I bought it and now the owner claims that he didn't have a password...
I would be very grateful!
Regards

[koshin]

Hello. Please help me with a BIOS password for Dell Latitude 5420 BIOS Password 8FC8.
I bought it and now the owner claims that he didn't have a password...
I would be very grateful!
Regards

Try this.

[overclock16]

Try this.

“It works! Thank you very much for the help and the quick response. I wish you all the best.”

[alkounte]

Dell Latitude 5420 Bios Password 8FC8
please i need to unlock this bios